RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7fc24b56d4 R13: 00000000004c7969 R14: 00000000004e4950 R15: 0000000000000005 ====================================================== WARNING: possible circular locking dependency detected 4.14.158-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.3/24475 is trying to acquire lock: (console_owner){-.-.}, at: [] console_trylock_spinning kernel/printk/printk.c:1658 [inline] (console_owner){-.-.}, at: [] vprintk_emit kernel/printk/printk.c:1922 [inline] (console_owner){-.-.}, at: [] vprintk_emit+0x2f1/0x600 kernel/printk/printk.c:1888 but task is already holding lock: (&(&port->lock)->rlock){-.-.}, at: [] pty_write+0xe0/0x1d0 drivers/tty/pty.c:120 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&(&port->lock)->rlock){-.-.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:160 tty_port_tty_get+0x22/0x90 drivers/tty/tty_port.c:287 tty_port_default_wakeup+0x16/0x40 drivers/tty/tty_port.c:46 tty_port_tty_wakeup+0x57/0x70 drivers/tty/tty_port.c:389 uart_write_wakeup+0x46/0x70 drivers/tty/serial/serial_core.c:116 serial8250_tx_chars+0x40d/0xa10 drivers/tty/serial/8250/8250_port.c:1810 serial8250_handle_irq.part.0+0x206/0x250 drivers/tty/serial/8250/8250_port.c:1883 serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1869 [inline] serial8250_default_handle_irq+0xa1/0x120 drivers/tty/serial/8250/8250_port.c:1899 serial8250_interrupt+0xe9/0x1a0 drivers/tty/serial/8250/8250_core.c:129 __handle_irq_event_percpu+0x125/0x7f0 kernel/irq/handle.c:147 handle_irq_event_percpu+0x65/0x130 kernel/irq/handle.c:187 handle_irq_event+0xa7/0x134 kernel/irq/handle.c:204 handle_edge_irq+0x22b/0x840 kernel/irq/chip.c:770 generic_handle_irq_desc include/linux/irqdesc.h:159 [inline] handle_irq+0x39/0x50 arch/x86/kernel/irq_64.c:87 do_IRQ+0x99/0x1d0 arch/x86/kernel/irq.c:230 ret_from_intr+0x0/0x1e arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irqrestore+0x95/0xe0 kernel/locking/spinlock.c:192 spin_unlock_irqrestore include/linux/spinlock.h:372 [inline] uart_write+0x29a/0x4f0 drivers/tty/serial/serial_core.c:625 process_output_block drivers/tty/n_tty.c:595 [inline] n_tty_write+0x38b/0xee0 drivers/tty/n_tty.c:2333 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 redirected_tty_write+0xa3/0xb0 drivers/tty/tty_io.c:1064 __vfs_write+0x105/0x6b0 fs/read_write.c:480 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #1 (&port_lock_key){-.-.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:160 serial8250_console_write+0x709/0x930 drivers/tty/serial/8250/8250_port.c:3232 univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:597 call_console_drivers kernel/printk/printk.c:1725 [inline] console_unlock+0x9ba/0xed0 kernel/printk/printk.c:2397 vprintk_emit kernel/printk/printk.c:1923 [inline] vprintk_emit+0x1f9/0x600 kernel/printk/printk.c:1888 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963 vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1996 register_console+0x614/0x9e0 kernel/printk/printk.c:2716 univ8250_console_init+0x33/0x3f drivers/tty/serial/8250/8250_core.c:692 console_init+0x4d/0x5d kernel/printk/printk.c:2797 start_kernel+0x43c/0x6fd init/main.c:634 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:399 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:380 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #0 (console_owner){-.-.}: check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 console_trylock_spinning kernel/printk/printk.c:1679 [inline] vprintk_emit kernel/printk/printk.c:1922 [inline] vprintk_emit+0x32e/0x600 kernel/printk/printk.c:1888 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963 vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1996 fail_dump lib/fault-inject.c:44 [inline] should_fail.cold+0xe4/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x71/0x7a0 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline] __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x113/0x1d0 drivers/tty/pty.c:122 n_tty_write+0x953/0xee0 drivers/tty/n_tty.c:2356 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 __vfs_write+0x105/0x6b0 fs/read_write.c:480 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 other info that might help us debug this: Chain exists of: console_owner --> &port_lock_key --> &(&port->lock)->rlock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&(&port->lock)->rlock); lock(&port_lock_key); lock(&(&port->lock)->rlock); lock(console_owner); *** DEADLOCK *** 5 locks held by syz-executor.3/24475: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:376 #1: (&tty->atomic_write_lock){+.+.}, at: [] tty_write_lock+0x20/0x60 drivers/tty/tty_io.c:885 #2: (&tty->termios_rwsem){++++}, at: [] n_tty_write+0x179/0xee0 drivers/tty/n_tty.c:2316 #3: (&ldata->output_lock){+.+.}, at: [] n_tty_write+0x914/0xee0 drivers/tty/n_tty.c:2355 #4: (&(&port->lock)->rlock){-.-.}, at: [] pty_write+0xe0/0x1d0 drivers/tty/pty.c:120 stack backtrace: CPU: 1 PID: 24475 Comm: syz-executor.3 Not tainted 4.14.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 console_trylock_spinning kernel/printk/printk.c:1679 [inline] vprintk_emit kernel/printk/printk.c:1922 [inline] vprintk_emit+0x32e/0x600 kernel/printk/printk.c:1888 vprintk_default+0x28/0x30 kernel/printk/printk.c:1963 vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1996 fail_dump lib/fault-inject.c:44 [inline] should_fail.cold+0xe4/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x71/0x7a0 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline] __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x113/0x1d0 drivers/tty/pty.c:122 n_tty_write+0x953/0xee0 drivers/tty/n_tty.c:2356 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 __vfs_write+0x105/0x6b0 fs/read_write.c:480 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f7fc24b4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f7fc24b4c90 RCX: 000000000045a679 RDX: 00000000fffffe00 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7fc24b56d4 R13: 00000000004c7969 R14: 00000000004e4950 R15: 0000000000000005 kobject: 'loop4' (ffff8880a411d4e0): kobject_uevent_env kobject: 'loop4' (ffff8880a411d4e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a407c2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a407c2e0): fill_kobj_path: path = '/devices/virtual/block/loop2' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 24490 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x47/0x780 mm/slab.c:3550 skb_clone+0x129/0x320 net/core/skbuff.c:1282 __netlink_deliver_tap_skb net/netlink/af_netlink.c:266 [inline] __netlink_deliver_tap net/netlink/af_netlink.c:291 [inline] netlink_deliver_tap+0x681/0x8f0 net/netlink/af_netlink.c:302 netlink_deliver_tap_kernel net/netlink/af_netlink.c:311 [inline] netlink_unicast_kernel net/netlink/af_netlink.c:1285 [inline] netlink_unicast+0x49d/0x650 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f34b0b23c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f34b0b23c90 RCX: 000000000045a679 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34b0b246d4 R13: 00000000004d1798 R14: 00000000004e1080 R15: 0000000000000004 CPU: 0 PID: 24495 Comm: syz-executor.3 Not tainted 4.14.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x71/0x7a0 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline] __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x113/0x1d0 drivers/tty/pty.c:122 n_tty_write+0x953/0xee0 drivers/tty/n_tty.c:2356 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043 __vfs_write+0x105/0x6b0 fs/read_write.c:480 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f7fc24b4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f7fc24b4c90 RCX: 000000000045a679 RDX: 00000000fffffe00 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7fc24b56d4 R13: 00000000004c7969 R14: 00000000004e4950 R15: 0000000000000005 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4153560): kobject_uevent_env kobject: 'loop5' (ffff8880a4153560): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a407c2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a407c2e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 24576 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 kobject: 'loop4' (ffff8880a411d4e0): kobject_uevent_env slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node+0x287/0x780 mm/slab.c:3640 kobject: 'loop4' (ffff8880a411d4e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a407c2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a407c2e0): fill_kobj_path: path = '/devices/virtual/block/loop2' __alloc_skb+0x9c/0x500 net/core/skbuff.c:193 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env alloc_skb include/linux/skbuff.h:980 [inline] tipc_tlv_alloc+0x2a/0xb0 net/tipc/netlink_compat.c:154 tipc_nl_compat_dumpit+0x12b/0x4d0 net/tipc/netlink_compat.c:260 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' tipc_nl_compat_handle net/tipc/netlink_compat.c:1249 [inline] tipc_nl_compat_recv+0x525/0xb20 net/tipc/netlink_compat.c:1287 genl_family_rcv_msg+0x614/0xc30 net/netlink/genetlink.c:600 genl_rcv_msg+0xb4/0x150 net/netlink/genetlink.c:625 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 genl_rcv+0x29/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x44d/0x650 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f34b0b23c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f34b0b23c90 RCX: 000000000045a679 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34b0b246d4 R13: 00000000004d1798 R14: 00000000004e1080 R15: 0000000000000004 kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4153560): kobject_uevent_env kobject: 'loop5' (ffff8880a4153560): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a407c2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a407c2e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a411d4e0): kobject_uevent_env FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 24642 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0 kobject: 'loop4' (ffff8880a411d4e0): fill_kobj_path: path = '/devices/virtual/block/loop4' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node_trace+0x280/0x770 mm/slab.c:3659 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3696 __kmalloc_reserve.isra.0+0x40/0xe0 net/core/skbuff.c:137 __alloc_skb+0xcf/0x500 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:980 [inline] tipc_tlv_alloc+0x2a/0xb0 net/tipc/netlink_compat.c:154 tipc_nl_compat_dumpit+0x12b/0x4d0 net/tipc/netlink_compat.c:260 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' tipc_nl_compat_handle net/tipc/netlink_compat.c:1249 [inline] tipc_nl_compat_recv+0x525/0xb20 net/tipc/netlink_compat.c:1287 genl_family_rcv_msg+0x614/0xc30 net/netlink/genetlink.c:600 kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env genl_rcv_msg+0xb4/0x150 net/netlink/genetlink.c:625 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 genl_rcv+0x29/0x40 net/netlink/genetlink.c:636 kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x44d/0x650 net/netlink/af_netlink.c:1312 kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f34b0b23c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f34b0b23c90 RCX: 000000000045a679 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34b0b246d4 R13: 00000000004d1798 R14: 00000000004e1080 R15: 0000000000000004 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 24684 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node+0x287/0x780 mm/slab.c:3640 __alloc_skb+0x9c/0x500 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:980 [inline] nlmsg_new include/net/netlink.h:511 [inline] tipc_nl_compat_dumpit+0x1f0/0x4d0 net/tipc/netlink_compat.c:276 tipc_nl_compat_handle net/tipc/netlink_compat.c:1249 [inline] tipc_nl_compat_recv+0x525/0xb20 net/tipc/netlink_compat.c:1287 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env genl_family_rcv_msg+0x614/0xc30 net/netlink/genetlink.c:600 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' genl_rcv_msg+0xb4/0x150 net/netlink/genetlink.c:625 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 genl_rcv+0x29/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x44d/0x650 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 kobject: 'loop4' (ffff8880a411d4e0): kobject_uevent_env kobject: 'loop4' (ffff8880a411d4e0): fill_kobj_path: path = '/devices/virtual/block/loop4' sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 kobject: 'loop5' (ffff8880a4153560): kobject_uevent_env __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 kobject: 'loop5' (ffff8880a4153560): fill_kobj_path: path = '/devices/virtual/block/loop5' do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' RSP: 002b:00007f34b0b23c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f34b0b23c90 RCX: 000000000045a679 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 kobject: 'loop4' (ffff8880a411d4e0): kobject_uevent_env RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34b0b246d4 R13: 00000000004d1798 R14: 00000000004e1080 R15: 0000000000000004 kobject: 'loop4' (ffff8880a411d4e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4153560): kobject_uevent_env kobject: 'loop5' (ffff8880a4153560): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a407c2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a407c2e0): fill_kobj_path: path = '/devices/virtual/block/loop2' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' CPU: 1 PID: 24733 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node_trace+0x280/0x770 mm/slab.c:3659 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3696 __kmalloc_reserve.isra.0+0x40/0xe0 net/core/skbuff.c:137 __alloc_skb+0xcf/0x500 net/core/skbuff.c:205 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' alloc_skb include/linux/skbuff.h:980 [inline] nlmsg_new include/net/netlink.h:511 [inline] tipc_nl_compat_dumpit+0x1f0/0x4d0 net/tipc/netlink_compat.c:276 tipc_nl_compat_handle net/tipc/netlink_compat.c:1249 [inline] tipc_nl_compat_recv+0x525/0xb20 net/tipc/netlink_compat.c:1287 kobject: 'loop4' (ffff8880a411d4e0): kobject_uevent_env kobject: 'loop4' (ffff8880a411d4e0): fill_kobj_path: path = '/devices/virtual/block/loop4' genl_family_rcv_msg+0x614/0xc30 net/netlink/genetlink.c:600 genl_rcv_msg+0xb4/0x150 net/netlink/genetlink.c:625 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 genl_rcv+0x29/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x44d/0x650 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f34b0b23c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f34b0b23c90 RCX: 000000000045a679 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34b0b246d4 R13: 00000000004d1798 R14: 00000000004e1080 R15: 0000000000000004 kobject: 'loop5' (ffff8880a4153560): kobject_uevent_env kobject: 'loop5' (ffff8880a4153560): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a411d4e0): kobject_uevent_env kobject: 'loop4' (ffff8880a411d4e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a407c2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a407c2e0): fill_kobj_path: path = '/devices/virtual/block/loop2' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' CPU: 1 PID: 24812 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node+0x287/0x780 mm/slab.c:3640 __alloc_skb+0x9c/0x500 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:980 [inline] nlmsg_new include/net/netlink.h:511 [inline] __tipc_nl_compat_dumpit.isra.0+0xe3/0x830 net/tipc/netlink_compat.c:194 tipc_nl_compat_dumpit+0x216/0x4d0 net/tipc/netlink_compat.c:283 tipc_nl_compat_handle net/tipc/netlink_compat.c:1249 [inline] tipc_nl_compat_recv+0x525/0xb20 net/tipc/netlink_compat.c:1287 genl_family_rcv_msg+0x614/0xc30 net/netlink/genetlink.c:600 genl_rcv_msg+0xb4/0x150 net/netlink/genetlink.c:625 selinux_nlmsg_perm: 467 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=24853 comm=syz-executor.4 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=24853 comm=syz-executor.4 genl_rcv+0x29/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x44d/0x650 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=24853 comm=syz-executor.4 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=24853 comm=syz-executor.4 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=24853 comm=syz-executor.4 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=24853 comm=syz-executor.4 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f34b0b23c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f34b0b23c90 RCX: 000000000045a679 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34b0b246d4 R13: 00000000004d1798 R14: 00000000004e1080 R15: 0000000000000004 kobject: 'loop4' (ffff8880a411d4e0): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop4' (ffff8880a411d4e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=24853 comm=syz-executor.4 kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=24853 comm=syz-executor.4 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=24853 comm=syz-executor.4 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=24853 comm=syz-executor.4 kobject: 'loop4' (ffff8880a411d4e0): kobject_uevent_env kobject: 'loop4' (ffff8880a411d4e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4153560): kobject_uevent_env kobject: 'loop5' (ffff8880a4153560): fill_kobj_path: path = '/devices/virtual/block/loop5' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 24872 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node_trace+0x280/0x770 mm/slab.c:3659 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3696 __kmalloc_reserve.isra.0+0x40/0xe0 net/core/skbuff.c:137 __alloc_skb+0xcf/0x500 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:980 [inline] nlmsg_new include/net/netlink.h:511 [inline] __tipc_nl_compat_dumpit.isra.0+0xe3/0x830 net/tipc/netlink_compat.c:194 tipc_nl_compat_dumpit+0x216/0x4d0 net/tipc/netlink_compat.c:283 tipc_nl_compat_handle net/tipc/netlink_compat.c:1249 [inline] tipc_nl_compat_recv+0x525/0xb20 net/tipc/netlink_compat.c:1287 genl_family_rcv_msg+0x614/0xc30 net/netlink/genetlink.c:600 genl_rcv_msg+0xb4/0x150 net/netlink/genetlink.c:625 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 genl_rcv+0x29/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x44d/0x650 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f34b0b23c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f34b0b23c90 RCX: 000000000045a679 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34b0b246d4 R13: 00000000004d1798 R14: 00000000004e1080 R15: 0000000000000004 kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a411d4e0): kobject_uevent_env FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop4' (ffff8880a411d4e0): fill_kobj_path: path = '/devices/virtual/block/loop4' CPU: 0 PID: 24887 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0 kobject: 'loop2' (ffff8880a407c2e0): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 kobject: 'loop2' (ffff8880a407c2e0): fill_kobj_path: path = '/devices/virtual/block/loop2' should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node_trace+0x5a/0x770 mm/slab.c:3659 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3696 __kmalloc_reserve.isra.0+0x40/0xe0 net/core/skbuff.c:137 pskb_expand_head+0x116/0xc10 net/core/skbuff.c:1462 kobject: 'loop5' (ffff8880a4153560): kobject_uevent_env netlink_trim+0x1c1/0x230 net/netlink/af_netlink.c:1268 kobject: 'loop5' (ffff8880a4153560): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink_unicast+0x93/0x650 net/netlink/af_netlink.c:1302 nlmsg_unicast include/net/netlink.h:608 [inline] genlmsg_unicast include/net/genetlink.h:301 [inline] tipc_nl_compat_recv+0x36c/0xb20 net/tipc/netlink_compat.c:1301 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env genl_family_rcv_msg+0x614/0xc30 net/netlink/genetlink.c:600 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env genl_rcv_msg+0xb4/0x150 net/netlink/genetlink.c:625 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 genl_rcv+0x29/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x44d/0x650 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f34b0b23c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f34b0b23c90 RCX: 000000000045a679 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34b0b246d4 R13: 00000000004d1798 R14: 00000000004e1080 R15: 0000000000000004 kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4153560): kobject_uevent_env kobject: 'loop5' (ffff8880a4153560): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a407c2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a407c2e0): fill_kobj_path: path = '/devices/virtual/block/loop2' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 24961 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x47/0x780 mm/slab.c:3550 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env skb_clone+0x129/0x320 net/core/skbuff.c:1282 __netlink_deliver_tap_skb net/netlink/af_netlink.c:266 [inline] __netlink_deliver_tap net/netlink/af_netlink.c:291 [inline] netlink_deliver_tap+0x681/0x8f0 net/netlink/af_netlink.c:302 __netlink_sendskb+0x49/0xa0 net/netlink/af_netlink.c:1230 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink_sendskb net/netlink/af_netlink.c:1239 [inline] netlink_unicast+0x524/0x650 net/netlink/af_netlink.c:1327 kobject: 'loop4' (ffff8880a411d4e0): kobject_uevent_env nlmsg_unicast include/net/netlink.h:608 [inline] genlmsg_unicast include/net/genetlink.h:301 [inline] tipc_nl_compat_recv+0x36c/0xb20 net/tipc/netlink_compat.c:1301 kobject: 'loop4' (ffff8880a411d4e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env genl_family_rcv_msg+0x614/0xc30 net/netlink/genetlink.c:600 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env genl_rcv_msg+0xb4/0x150 net/netlink/genetlink.c:625 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' genl_rcv+0x29/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x44d/0x650 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 kobject: 'loop4' (ffff8880a411d4e0): kobject_uevent_env do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 kobject: 'loop4' (ffff8880a411d4e0): fill_kobj_path: path = '/devices/virtual/block/loop4' entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f34b0b23c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f34b0b23c90 RCX: 000000000045a679 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34b0b246d4 R13: 00000000004d1798 R14: 00000000004e1080 R15: 0000000000000004 kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4153560): kobject_uevent_env kobject: 'loop5' (ffff8880a4153560): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (ffff8880a407c2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a407c2e0): fill_kobj_path: path = '/devices/virtual/block/loop2' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env CPU: 1 PID: 25034 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node+0x287/0x780 mm/slab.c:3640 __alloc_skb+0x9c/0x500 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:980 [inline] nlmsg_new include/net/netlink.h:511 [inline] netlink_ack+0x21c/0x9a0 net/netlink/af_netlink.c:2359 netlink_rcv_skb+0x2fc/0x3c0 net/netlink/af_netlink.c:2438 genl_rcv+0x29/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x44d/0x650 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f34b0b23c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f34b0b23c90 RCX: 000000000045a679 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34b0b246d4 R13: 00000000004d1798 R14: 00000000004e1080 R15: 0000000000000004 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4153560): kobject_uevent_env kobject: 'loop5' (ffff8880a4153560): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a407c2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a407c2e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a411d4e0): kobject_uevent_env kobject: 'loop4' (ffff8880a411d4e0): fill_kobj_path: path = '/devices/virtual/block/loop4' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env CPU: 0 PID: 25132 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node_trace+0x280/0x770 mm/slab.c:3659 kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3696 __kmalloc_reserve.isra.0+0x40/0xe0 net/core/skbuff.c:137 __alloc_skb+0xcf/0x500 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:980 [inline] nlmsg_new include/net/netlink.h:511 [inline] netlink_ack+0x21c/0x9a0 net/netlink/af_netlink.c:2359 netlink_rcv_skb+0x2fc/0x3c0 net/netlink/af_netlink.c:2438 genl_rcv+0x29/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x44d/0x650 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f34b0b23c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f34b0b23c90 RCX: 000000000045a679 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34b0b246d4 R13: 00000000004d1798 R14: 00000000004e1080 R15: 0000000000000004 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4153560): kobject_uevent_env kobject: 'loop5' (ffff8880a4153560): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a407c2e0): kobject_uevent_env FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop2' (ffff8880a407c2e0): fill_kobj_path: path = '/devices/virtual/block/loop2' CPU: 1 PID: 25162 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 should_failslab+0xdb/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x47/0x780 mm/slab.c:3550 skb_clone+0x129/0x320 net/core/skbuff.c:1282 __netlink_deliver_tap_skb net/netlink/af_netlink.c:266 [inline] __netlink_deliver_tap net/netlink/af_netlink.c:291 [inline] netlink_deliver_tap+0x681/0x8f0 net/netlink/af_netlink.c:302 __netlink_sendskb+0x49/0xa0 net/netlink/af_netlink.c:1230 netlink_sendskb net/netlink/af_netlink.c:1239 [inline] netlink_unicast+0x524/0x650 net/netlink/af_netlink.c:1327 netlink_ack+0x51d/0x9a0 net/netlink/af_netlink.c:2402 netlink_rcv_skb+0x2fc/0x3c0 net/netlink/af_netlink.c:2438 genl_rcv+0x29/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x44d/0x650 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a679 RSP: 002b:00007f34b0b23c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f34b0b23c90 RCX: 000000000045a679 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34b0b246d4 R13: 00000000004d1798 R14: 00000000004e1080 R15: 0000000000000004 kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4153560): kobject_uevent_env kobject: 'loop5' (ffff8880a4153560): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a411d4e0): kobject_uevent_env kobject: 'loop4' (ffff8880a411d4e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4153560): kobject_uevent_env kobject: 'loop5' (ffff8880a4153560): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4153560): kobject_uevent_env kobject: 'loop5' (ffff8880a4153560): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a407c2e0): kobject_uevent_env kobject: 'loop2' (ffff8880a407c2e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a411d4e0): kobject_uevent_env kobject: 'loop4' (ffff8880a411d4e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' selinux_nlmsg_perm: 390 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=25270 comm=syz-executor.4 kobject: 'loop5' (ffff8880a4153560): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=25270 comm=syz-executor.4 kobject: 'loop5' (ffff8880a4153560): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=25270 comm=syz-executor.4 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=25270 comm=syz-executor.4 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=25270 comm=syz-executor.4 kobject: 'loop1' (ffff8880a402c260): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=25270 comm=syz-executor.4 kobject: 'loop1' (ffff8880a402c260): fill_kobj_path: path = '/devices/virtual/block/loop1' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=25270 comm=syz-executor.4 kobject: 'loop0' (ffff8880a47e41e0): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=25270 comm=syz-executor.4 kobject: 'loop0' (ffff8880a47e41e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a40c6be0): kobject_uevent_env kobject: 'loop3' (ffff8880a40c6be0): fill_kobj_path: path = '/devices/virtual/block/loop3' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=25270 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=25270 comm=syz-executor.4